Michael Bringmann <mwb@linux.vnet.ibm.com> writes:> powerpc/numa: On Power systems with shared configurations of CPUs> and memory, there are some issues with the association of additional> CPUs and memory to nodes when hot-adding resources. This patch> addresses some of those problems.>> First, it corrects the currently broken capability to set the> topology for shared CPUs in LPARs. At boot time for shared CPU> lpars, the topology for each CPU was being set to node zero. Now> when numa_update_cpu_topology() is called appropriately, the Virtual> Processor Home Node (VPHN) capabilities information provided by the> pHyp allows the appropriate node in the shared configuration to be> selected for the CPU.